Was this too much?

I've been dating this girl for about two months and decided to text her this for Thanksgiving "Happy harvest day! hope this picture sums up your day haha" It's been about an hour since I texted her this and she still hasn't responded. Was it because it was too much? Am I over thinking things?

Even if she doesn't respond - that wasn't really a text that requires a response. Maybe she saw it, smiled, and out her phone back down. Doesn't mean anything. Perhaps text her tomorrow to ask how her day was.